现汇期权是以（ ）为期权合约的基础资产。

A．It is an important subject that people are arguing about
B．It is a statement that expresses the writer’s view about the topic
C．It is the topic sentence of a paragraph in the essay
D．It is a particular subject matter the writer considers

A.期权的执行价格与市场即期汇率
B.期权的到期期限
C.期权的行权方向
D.国内外利率水平